緑色の黒板とチョーク、黒板消しのイラスト
Schlüsselwörter
blackboard,
chalk,
green,
illustration,
school,
training,
school,
learning,
teacher,
teacher,
children,
children,
student,
student,
classroom,
workshop,
study,
lecture,
announcement,
presentation,
meeting,
meeting,
training,
training,
posting,
character,
graphic,
line,
note,
message,
message,
board,
green,
green,
vector,
white background,
copy space
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